<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>上传图片</title>
<base href="<%=basePath%>">
<link rel="stylesheet" type="text/css"
	href="<%=basePath%>res/tl/js/layui/css/layui.css" media="all">
<style type="text/css">
body {
	margin: 20px 0px;
}
</style>
</head>
<body>
	<fieldset class="layui-elem-field layui-field-title"
		style="margin-top: 30px;">
		<legend>常规使用：普通图片上传</legend>
	</fieldset>

	<div class="layui-upload">
		<button type="button" class="layui-btn" id="test1">上传图片</button>
		<div class="layui-upload-list">
			<img class="layui-upload-img" id="demo1">
			<p id="demoText"></p>
		</div>
	</div>
	<script src="<%=basePath%>res/tl/js/layui/layui.js" charset="utf-8"></script>
	<script type="text/javascript">
	layui.use('upload', function(){
		  var $ = layui.jquery
		  ,upload = layui.upload;
		  
		  //普通图片上传
		  var uploadInst = upload.render({
		    elem: '#test1'
		    ,url: ''
		    ,before: function(obj){
		      //预读本地文件示例，不支持ie8
		      obj.preview(function(index, file, result){
		        $('#demo1').attr('src', result); //图片链接（base64）
		      });
		    }
		    ,done: function(res){
		      //如果上传失败
		      if(res.code > 0){
		        return layer.msg('上传失败');
		      }
		      //上传成功
		    }
		    ,error: function(){
		      //演示失败状态，并实现重传
		      var demoText = $('#demoText');
		      demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-xs demo-reload">重试</a>');
		      demoText.find('.demo-reload').on('click', function(){
		        uploadInst.upload();
		      });
		    }
		  });
		  
		  //多图片上传
		  upload.render({
		    elem: '#test2'
		    ,url: '/upload/'
		    ,multiple: true
		    ,before: function(obj){
		      //预读本地文件示例，不支持ie8
		      obj.preview(function(index, file, result){
		        $('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">')
		      });
		    }
		    ,done: function(res){
		      //上传完毕
		    }
		  });
		  
		  //指定允许上传的文件类型
		  upload.render({
		    elem: '#test3'
		    ,url: '/upload/'
		    ,accept: 'file' //普通文件
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  upload.render({ //允许上传的文件后缀
		    elem: '#test4'
		    ,url: '/upload/'
		    ,accept: 'file' //普通文件
		    ,exts: 'zip|rar|7z' //只允许上传压缩文件
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  upload.render({
		    elem: '#test5'
		    ,url: '/upload/'
		    ,accept: 'video' //视频
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  upload.render({
		    elem: '#test6'
		    ,url: '/upload/'
		    ,accept: 'audio' //音频
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  
		  //设定文件大小限制
		  upload.render({
		    elem: '#test7'
		    ,url: '/upload/'
		    ,size: 60 //限制文件大小，单位 KB
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  
		  //同时绑定多个元素，并将属性设定在元素上
		  upload.render({
		    elem: '.demoMore'
		    ,before: function(){
		      layer.tips('接口地址：'+ this.url, this.item, {tips: 1});
		    }
		    ,done: function(res, index, upload){
		      var item = this.item;
		      console.log(item); //获取当前触发上传的元素，layui 2.1.0 新增
		    }
		  })
		  
		  //选完文件后不自动上传
		  upload.render({
		    elem: '#test8'
		    ,url: '/upload/'
		    ,auto: false
		    //,multiple: true
		    ,bindAction: '#test9'
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  
		  //拖拽上传
		  upload.render({
		    elem: '#test10'
		    ,url: '/upload/'
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  
		  //多文件列表示例
		  var demoListView = $('#demoList')
		  ,uploadListIns = upload.render({
		    elem: '#testList'
		    ,url: '/upload/'
		    ,accept: 'file'
		    ,multiple: true
		    ,auto: false
		    ,bindAction: '#testListAction'
		    ,choose: function(obj){   
		      var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
		      //读取本地文件
		      obj.preview(function(index, file, result){
		        var tr = $(['<tr id="upload-'+ index +'">'
		          ,'<td>'+ file.name +'</td>'
		          ,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'
		          ,'<td>等待上传</td>'
		          ,'<td>'
		            ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
		            ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
		          ,'</td>'
		        ,'</tr>'].join(''));
		        
		        //单个重传
		        tr.find('.demo-reload').on('click', function(){
		          obj.upload(index, file);
		        });
		        
		        //删除
		        tr.find('.demo-delete').on('click', function(){
		          delete files[index]; //删除对应的文件
		          tr.remove();
		          uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
		        });
		        
		        demoListView.append(tr);
		      });
		    }
		    ,done: function(res, index, upload){
		      if(res.code == 0){ //上传成功
		        var tr = demoListView.find('tr#upload-'+ index)
		        ,tds = tr.children();
		        tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
		        tds.eq(3).html(''); //清空操作
		        return delete this.files[index]; //删除文件队列已经上传成功的文件
		      }
		      this.error(index, upload);
		    }
		    ,error: function(index, upload){
		      var tr = demoListView.find('tr#upload-'+ index)
		      ,tds = tr.children();
		      tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
		      tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
		    }
		  });
		  
		  //绑定原始文件域
		  upload.render({
		    elem: '#test20'
		    ,url: '/upload/'
		    ,done: function(res){
		      console.log(res)
		    }
		  });
		  
		});
	</script>
</body>
</html>